using HSchool.Content;

namespace HSchool.People.Tests;

public class WetAftereffectTests
{
    [Fact]
    public void HeavyDisease_LeavesAftereffectThatClears()
    {
        var catalog = LoadVanilla();
        var started = new DateTime(2012, 4, 3, 8, 0, 0, DateTimeKind.Utc);
        var person = Blank("p1");
        HealthConditions.Add(
            person,
            new HealthCondition
            {
                DefName = "Influenza",
                Severity = 0.85f,
                Progress = 0.99f,
                Source = "cold",
                StartedAt = started,
            });

        Assert.True(HealthConditions.Tick(
            person,
            peopleSeed: 3,
            dayNumber: 50,
            gameMinutes: 24 * 60,
            catalog,
            started.AddDays(3)));

        Assert.NotNull(person.Conditions);
        Assert.Contains(person.Conditions!, row => row.DefName == DiseaseFamilies.AftereffectDefName);
        Assert.DoesNotContain(person.Conditions!, row => row.DefName == "Influenza");
        Assert.True(DiseaseImmunities.IsImmune(person, "Influenza", started.AddDays(4)));

        // Aftereffect clears on its stage curve within a few game days — not a year-long chronicle.
        for (var day = 0; day < 14 && person.Conditions is { Count: > 0 }; day++)
        {
            HealthConditions.Tick(
                person,
                peopleSeed: 3,
                dayNumber: 51 + day,
                gameMinutes: 24 * 60,
                catalog,
                started.AddDays(4 + day));
        }

        Assert.True(
            person.Conditions is null
            || person.Conditions.All(row => row.DefName != DiseaseFamilies.AftereffectDefName));
    }

    [Fact]
    public void RosterJson_RoundTripsWetAndAftereffect()
    {
        var roster = Fixtures.Generate(Fixtures.Classrooms(4));
        var pupil = roster.People.First(person => person.IsStudent && !person.IsParent);
        var started = new DateTime(2012, 4, 3, 9, 0, 0, DateTimeKind.Utc);
        HealthConditions.Add(
            pupil,
            new HealthCondition
            {
                DefName = DiseaseFamilies.WetDefName,
                Severity = 0.6f,
                Progress = 0.1f,
                Source = "rain",
                StartedAt = started,
            });
        HealthConditions.Add(
            pupil,
            new HealthCondition
            {
                DefName = DiseaseFamilies.AftereffectDefName,
                Severity = 0.4f,
                Progress = 0.2f,
                Source = "Influenza",
                StartedAt = started.AddDays(-1),
            });

        var json = RosterJson.Serialize(RosterDocument.From(1, roster));
        Assert.Contains($"\"defName\": \"{DiseaseFamilies.WetDefName}\"", json, StringComparison.Ordinal);
        Assert.Contains($"\"defName\": \"{DiseaseFamilies.AftereffectDefName}\"", json, StringComparison.Ordinal);

        var loaded = RosterJson.Parse(json).ToRoster();
        var loadedPupil = loaded.People.First(person => person.Id.Equals(pupil.Id, StringComparison.Ordinal));
        Assert.NotNull(loadedPupil.Conditions);
        Assert.Equal(2, loadedPupil.Conditions!.Count);
        Assert.Contains(loadedPupil.Conditions, row => row.DefName == DiseaseFamilies.WetDefName && row.Source == "rain");
        Assert.Contains(
            loadedPupil.Conditions,
            row => row.DefName == DiseaseFamilies.AftereffectDefName && row.Source == "Influenza");
    }

    private static DefCatalog LoadVanilla()
    {
        var root = Path.Combine(AppContext.BaseDirectory, "vanilla");
        return new CatalogLoader().Load(
            [CatalogLoader.CorePackId],
            PackDocuments.FromDirectory(CatalogLoader.CorePackId, root));
    }

    private static Person Blank(string id)
    {
        var cases = new CaseTable
        {
            Nom = id,
            Gen = id,
            Dat = id,
            Acc = id,
            Ins = id,
            Pre = id,
        };
        return new Person
        {
            Id = id,
            FamilyId = "f",
            Female = false,
            BirthDate = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc),
            Name = new PersonName(id, id, id, cases, cases, cases),
            IsStudent = true,
            IsStaff = false,
            IsParent = false,
            Numbers = new Dictionary<string, int>(StringComparer.Ordinal),
            Choices = new Dictionary<string, string>(StringComparer.Ordinal),
            Skills = new Dictionary<string, int>(StringComparer.Ordinal),
            Traits = [],
            Needs = new Dictionary<string, float>(StringComparer.Ordinal),
            Opinions = new Dictionary<string, int>(StringComparer.Ordinal),
        };
    }
}